Related

HyperLogLog Count

redis

Estimate cardinality

Get All Hash Fields

redis

Retrieve all fields and their values from a hash.

Set Key Value

redis

Set a string value for a given key in Redis.

redis/pfadd

HyperLogLog Add

Estimate unique values

hyperloglog
probabilistic

Command

PFADD key element

Explanation

Adds elements to a HyperLogLog data structure for approximate unique count estimation.

Examples

Add users

PFADD visitors "user1" "user2"

More

Get Key Value

redis

Retrieve the string value stored at a key.

Increment Value

redis

Increment the integer value of a key by one.

Set Hash Field

redis

Set a specific field in a hash to a given value.